Vessel name: Polaris ; Year built: 2012 ; Flag: Netherlands ; Homeport: Rotterdam Length: 81.2m X 13.3m ; GRT: 2501 ; Callsign: PBZN ; MMSI:245142000 ; IMO: 9496915 Type: Special Vessel / Pilot Ship A "Pilot Ship / Pilot Vessel" is a "special type" of ship in which it accommodates a certain and limited Marine Pilots (Sea, River, Harbor Pilots), it also carries small boats/crafts that are used to tender services to and from the Pilot ship. In a Pilot Vessel, the Pilots can take their time...
Here’s some cool video footage we captured of the Cork Pilots in their Interceptor 48 pilot boat ‘Failte’ undertaking pilot transfers off Cork Harbour during the recent days of strong SE gales. Roches Point lighthouse recorded 50kts of wind on the 13th as the Cosco bulk carrier passed and the Cork wave buoy 2nm off the harbour entrance recorded waves to 6.7m at the time. The pilot boat coxwain managed to get alongside and safely disembark the pilot despite the challenging sea state....
Using pictures and sketches, this video finally explains the difference between gross tonnage (GRT) and net tonnage (NRT); the ship spaces that are included/excluded in their calculation; and the importance of these terms to ship owners.
Contents of this video will benefit mariners preparing for exams (written and oral examinations).